Solubility of 1‐hexene in LLDPE synthesized by (2‐MeInd) 2 ZrCl 2 /MAO and by Mg(OEt) 2 /DIBP/TiCl 4 –TEA | Zendy

Jin HyoungJoon | Zendy; Kim Sewon | Zendy; Yoon JinSan | Zendy

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Solubility of 1‐hexene in LLDPE synthesized by (2‐MeInd) 2 ZrCl 2 /MAO and by Mg(OEt) 2 /DIBP/TiCl 4 –TEA

Author(s) -

Jin HyoungJoon,

Kim Sewon,

Yoon JinSan

Publication year - 2002

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.10418

Subject(s) - 1 hexene , solubility , hexene , metallocene , catalysis , natta , chemistry , polymer chemistry , homogeneous , hildebrand solubility parameter , materials science , organic chemistry , thermodynamics , polymerization , polymer , ethylene , physics

The solubility of 1‐hexene was measured for linear low‐density polyethylenes (LLDPEs) produced over a heterogeneous Ziegler–Natta catalyst, Mg(OEt) 2 /DIBP/TiCl 4 –TEA (ZN), and over a homogeneous metallocene catalyst, (2‐MeInd) z ZrCl 2 –MAO (MT). The 1‐hexene solubility in LLDPEs was well represented by the Flory–Huggins equation with a constant value of χ. ZN–LLDPEs dissolved a larger amount of 1‐hexene and thus showed a lower value of χ compared to MT–LLDPEs. The Flory–Huggins interaction parameter χ, or the solubility of 1‐hexene at a given temperature and pressure, was suggested as a sensitive measure for the composition distribution of LLDPEs. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 84: 1566–1571, 2002; DOI 10.1002/app.10418

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